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upload-pack: send shallow info over stdin to pack-objects

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Before cdab485 (upload-pack: delegate rev walking in shallow fetch to
pack-objects - 2013-08-16) upload-pack does not write to the source
repository. cdab485 starts to write $GIT_DIR/shallow_XXXXXX if it's a
shallow fetch, so the source repo must be writable.

git:// servers do not need write access to repos and usually don't
have it, which means cdab485 breaks shallow clone over git://

Instead of using a temporary file as the media for shallow points, we
can send them over stdin to pack-objects as well. Prepend shallow
SHA-1 with --shallow so pack-objects knows what is what.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nguyễn Thái Ngọc Duy
2014-03-11 19:59:46 +07:00
committed by Junio C Hamano
parent 16216b6ab1
commit b790e0f67c
4 changed files with 37 additions and 9 deletions
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2
Documentation/git-pack-objects.txt
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@ -64,6 +64,8 @@ base-name::
the same way as 'git rev-list' with the `--objects` flag
uses its `commit` arguments to build the list of objects it
outputs. The objects on the resulting list are packed.
Besides revisions, `--not` or `--shallow <SHA-1>` lines are
also accepted.
--unpacked::
This implies `--revs`. When processing the list of